OpenTechnical

OT-2026-000094972

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000094972) never changes.

Identity and time

Publication numberOT-2026-000094972 · never reused
Internal UUID01a0ae9f-2df0-7e78-99b7-e9d3491f744f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094972
StatusPUBLIC

Content hashes

Canonical textb2fe5c7d4139cf26805847ab92d05d09c5ed02719c4b46af75d37eb933c776c6
Markdownf2a72f43ad08ca59619915bef414f65fc462488d2578d20c94944dead311d742
PDF
Publication page6630714c7b56bc5fa647226c0a1955d0ce7d34e52a3911794bcd75f765e33e94
Manifeste2028824ed942f29ecb5d1fee6c2d9d170847ff909835ad7507b5ad83ca2df6b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturekE0Oxb0hYYQW7j2d6SnyFvx7hazQKSa6VaNGZw7UVyoVQOvN38POxnVCaAHMlq1G6Wj7MrUJJVrSnILVV6T4CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:31.140496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094972
observed 6630714c7b56bc5fa647226c0a1955d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.121190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094972/manifest.json
observed e2028824ed942f29ecb5d1fee6c2d9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.102254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094972/publication.md
observed f2a72f43ad08ca59619915bef414f65f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.082728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094972/publication.txt
observed b2fe5c7d4139cf26805847ab92d05d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.